Field Portable Flash Collection Flash SPME-Flash GC-IMS

Implant Sciences Corporation (ISC) proposes to create a Field Portable Flash Collection Flash SPME-Flash GC-IMS unit for the detection of trace chemicals in samples or the environment. The unit will incorporate a cyclonic gas collection nozzle with anintegrated high-intensity flash lamp, which will allow for the sampling of volatiles and semi-volatiles from as far as 5 inches away from the surface of interest without significant loss of analytes to the surrounding air. The gases collected by thecyclone nozzle will pass over a standard SPME fiber for a predetermined length of time, after which the fiber will be flash desorbed into a flash GC column. The chemical species exiting the flash GC will be detected by a modified, portable IMS unitdeveloped at ISC which has high resolution, unusually high sensitivity, and has a demonstrated capability of detecting ambient explosive vapors at parts-per-trillion concentration levels. Detection of a wide variety of trace chemicals of interest in the areas of national defense; environmental assessment; water quality management; airline, postal, shipping and general security; and the prevention of, or quick response to, terroristattacks involving the use of chemical and biological weapons or poisons.